JPH0320516B2 - - Google Patents

Info

Publication number
JPH0320516B2
JPH0320516B2 JP62067755A JP6775587A JPH0320516B2 JP H0320516 B2 JPH0320516 B2 JP H0320516B2 JP 62067755 A JP62067755 A JP 62067755A JP 6775587 A JP6775587 A JP 6775587A JP H0320516 B2 JPH0320516 B2 JP H0320516B2
Authority
JP
Japan
Prior art keywords
cleaning liquid
pulp
cleaning
washing
liquid supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP62067755A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6312789A (ja
Inventor
Kotsukonen Zetsuho
Kuintasu Harii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of JPS6312789A publication Critical patent/JPS6312789A/ja
Publication of JPH0320516B2 publication Critical patent/JPH0320516B2/ja
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B01D33/13—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration with surface cells independently connected to pressure distributors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Dowels (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
JP62067755A 1986-03-20 1987-03-20 パルプ洗浄方法及び装置 Granted JPS6312789A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI861167A FI74752C (fi) 1986-03-20 1986-03-20 Foerfarande och anordning foer tvaettning av cellulosa
FI861167 1986-03-20

Publications (2)

Publication Number Publication Date
JPS6312789A JPS6312789A (ja) 1988-01-20
JPH0320516B2 true JPH0320516B2 (enrdf_load_stackoverflow) 1991-03-19

Family

ID=8522328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62067755A Granted JPS6312789A (ja) 1986-03-20 1987-03-20 パルプ洗浄方法及び装置

Country Status (5)

Country Link
US (2) US4919158A (enrdf_load_stackoverflow)
EP (1) EP0239312B1 (enrdf_load_stackoverflow)
JP (1) JPS6312789A (enrdf_load_stackoverflow)
AT (1) ATE63949T1 (enrdf_load_stackoverflow)
FI (1) FI74752C (enrdf_load_stackoverflow)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
FI93232C (fi) * 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
US6010594A (en) * 1993-03-03 2000-01-04 Ahlstrom Machinery Corporation Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage
FI960438A7 (fi) * 1995-09-11 1997-03-12 Ahlstrom Machinery Oy Laitteisto ja menetelmä kuitumassapesurin puhdistamiseksi tahma-aineista
FI107742B (fi) * 1995-09-11 2001-09-28 Andritz Ahlstrom Oy Menetelmä ja laite massan käsittelemiseksi
US5741399A (en) * 1996-06-24 1998-04-21 Beloit Technologies, Inc. Pulp washing method
US5839142A (en) * 1996-07-09 1998-11-24 Thermo Fibertek Inc. Stock washer for washing, thickening and classifying solids
WO1998033972A1 (en) * 1997-01-31 1998-08-06 Ahlstrom Machinery Oy Feeding of washing liquid in a pulp washer
FI112957B (fi) * 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7074954B2 (en) * 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7161027B2 (en) 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7132566B2 (en) * 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
JP2006509045A (ja) * 2002-12-09 2006-03-16 イーストマン ケミカル カンパニー テレフタル酸の酸化精製方法
US7193109B2 (en) * 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
FI121792B (fi) * 2003-06-30 2011-04-15 Andritz Oy Menetelmä massan käsittelemiseksi kemiallisen massan valkaisun yhteydessä
US20050059709A1 (en) * 2003-09-15 2005-03-17 Meythaler Jay M. Treatment of a neuropathy with rapid release aminopyridine
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
FI122775B (fi) 2004-09-07 2012-06-29 Andritz Oy Laite ja menetelmä massan käsittelemiseksi
SE528722C2 (sv) * 2005-06-03 2007-01-30 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant
SE528716C8 (sv) * 2005-06-03 2007-04-24 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättanordning
SE528729E (sv) * 2005-06-03 2015-12-15 Metso Paper Inc Anordning för behandling av cellulosamassa
SE528727C2 (sv) * 2005-06-03 2007-02-06 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättapparat anordnad med medel för att avlägsna tätningar
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753766A (en) * 1951-12-29 1956-07-10 Forming Machine Company Of Ame Positive pressure machine for forming continuous strips of fibrous materials
US3229815A (en) * 1961-12-05 1966-01-18 Wilfred F Mathewson Pulp screen or filter
US3915865A (en) * 1973-06-12 1975-10-28 Kurita Water Ind Ltd Hydro-separator for slurry
SE406944B (sv) * 1976-04-14 1979-03-05 Mo Och Domsjoe Ab Forfarande for att reglera tillsatsen av suspensinsvetska vid kontinuerlig tvettning av suspensioner
US4156384A (en) * 1976-08-30 1979-05-29 Stoelting, Inc. Method and apparatus for separating liquids from soft particulate food solids
US4154644A (en) * 1978-02-27 1979-05-15 Georgia-Pacific Corporation Pulp washer
FI56865C (fi) * 1978-06-01 1980-04-10 Enso Gutzeit Oy Foerfarande och aggregat foer tvaettning av cellulosa
FI56564C (fi) * 1979-01-26 1980-02-11 Enso Gutzeit Oy Anordning foer tvaettning av massa
JPS569728A (en) * 1979-07-06 1981-01-31 Olympus Optical Co Ltd Optical device with focus correcting mechanism
US4310424A (en) * 1980-07-23 1982-01-12 Champion International Corporation Apparatus and method for removing suspended solids from a stream
JPS57133291A (en) * 1981-02-06 1982-08-17 Mitsubishi Heavy Ind Ltd Washing apparatus
FI65829C (fi) * 1982-08-06 1984-07-10 Enso Gutzeit Oy Foerfarande foer tvaettning av cellulosa
US4491501A (en) * 1982-12-08 1985-01-01 Westvaco Corporation Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix
US4549415A (en) * 1983-02-03 1985-10-29 Beloit Corporation Continuous counterflow belt washer
US4539827A (en) * 1983-03-11 1985-09-10 Westvaco Corporation Belt washing improvements
SE454187B (sv) * 1985-10-31 1988-04-11 Kamyr Ab Apparat for behandling av fibermaterial
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US4894121A (en) * 1986-08-07 1990-01-16 Ingersoll-Rand Company Pressure pulp washer

Also Published As

Publication number Publication date
US5116423A (en) 1992-05-26
ATE63949T1 (de) 1991-06-15
FI74752C (fi) 1992-12-01
EP0239312A1 (en) 1987-09-30
US4919158A (en) 1990-04-24
FI861167A0 (fi) 1986-03-20
FI74752B (fi) 1987-11-30
JPS6312789A (ja) 1988-01-20
EP0239312B1 (en) 1991-05-29
FI861167L (fi) 1987-09-21

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